114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
#include "request.h"
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constexpr static const char* GET("GET");
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constexpr static const char* REQUEST_METHOD("REQUEST_METHOD");
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constexpr static const char* SCRIPT_FILENAME("SCRIPT_FILENAME");
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constexpr static const char* SERVER_NAME("SERVER_NAME");
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Request::Request ():
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state(State::initial),
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raw()
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{}
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Request::~Request() {
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terminate();
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}
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void Request::terminate() {
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switch (state) {
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case State::accepted:
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case State::responded:
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FCGX_Finish_r(&raw);
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break;
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default:
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break;
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}
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}
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bool Request::isGet() const {
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if (state != State::accepted)
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throw std::runtime_error("An attempt to read request type on a wrong request state");
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std::string_view method(FCGX_GetParam(REQUEST_METHOD, raw.envp));
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return method == GET;
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}
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bool Request::wait(int socketDescriptor) {
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if (state != State::initial)
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throw std::runtime_error("An attempt to wait for new incomming request on a wrong request state");
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FCGX_Request* request = &raw;
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FCGX_InitRequest(request, socketDescriptor, 0);
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int rc = FCGX_Accept_r(request);
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bool result = rc == 0;
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if (result)
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state = State::accepted;
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return result;
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}
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OStream Request::getOutputStream() {
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if (state != State::accepted)
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throw std::runtime_error("An attempt to request output stream on a wrong request state");
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return OStream(raw.out);
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}
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OStream Request::getErrorStream() {
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if (state != State::accepted)
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throw std::runtime_error("An attempt to request error stream on a wrong request state");
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return OStream(raw.err);
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}
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std::string Request::getPath(const std::string& serverName) const {
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if (state != State::accepted)
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throw std::runtime_error("An attempt to request path on a wrong request state");
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std::string path;
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std::string_view scriptFileName(FCGX_GetParam(SCRIPT_FILENAME, raw.envp));
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std::string::size_type snLocation = scriptFileName.find(serverName);
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if (snLocation != std::string::npos) {
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if (snLocation + serverName.size() < scriptFileName.size())
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path = scriptFileName.substr(snLocation + serverName.size() + 1);
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}
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if (!path.empty()) {
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while (path.back() == '/')
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path.erase(path.end() - 1);
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}
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return path;
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}
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std::string Request::getServerName() const {
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if (state != State::accepted)
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throw std::runtime_error("An attempt to request server name on a wrong request state");
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return FCGX_GetParam(SERVER_NAME, raw.envp);;
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}
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void Request::printEnvironment(std::ostream& out) {
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char **envp = raw.envp;
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for (int i = 0; envp[i] != nullptr; ++i) {
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out << envp[i] << "\n";
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}
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}
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void Request::printEnvironment(nlohmann::json& out) {
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if (!out.is_object())
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return;
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char **envp = raw.envp;
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for (int i = 0; envp[i] != nullptr; ++i) {
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std::string_view value(envp[i]);
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std::string::size_type pos = value.find('=');
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if (pos != std::string::npos)
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out[std::string(value.substr(0, pos))] = std::string(value.substr(pos + 1, value.size()));
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}
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}
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